Electro Hardware S1059-M07-F16-G Circuit Board Spacer

Product Description

The ELECTRO HARDWARE S1059-M07-F16-G is a round, female unthreaded circuit board spacer manufactured from 18-8 Grade 303 stainless steel to fastener standard QQ-S-763. It is designed for No. 6 screw applications and provides a fixed standoff distance of 0.1875 inches (3/16 inches) overall length between a printed circuit board and its mounting surface. The 0.141-inch inside diameter accommodates a No. 6 fastener, while the 0.375-inch outside diameter provides stable bearing surface contact. The uncoated finish is left as-machined. Electronics assemblers, control board technicians, and field service professionals working on HVAC control boards, variable frequency drives, and similar electrical assemblies use this spacer to maintain consistent board clearance and prevent contact shorts.

This spacer suits residential and light commercial control board assemblies where a compact, corrosion-resistant standoff is required. Typical applications include mounting circuit boards inside HVAC air handlers, furnace control enclosures, pool equipment control panels, and other electrical enclosures where stainless steel construction is preferred for its resistance to moisture and oxidation. The female unthreaded design accepts a No. 6 screw passed through from the board side, making it straightforward to use in single-fastener stacking configurations.

Key Features

• 18-8 Grade 303 stainless steel construction meets QQ-S-763 fastener standard
• Female unthreaded body accepts No. 6 screws without tapping
• 0.1875-inch overall length provides precise board standoff distance
• 0.141-inch inside diameter with 0.000 to 0.010 inch tolerance for consistent fit
• Round body shape with 0.375-inch outside diameter for stable surface contact
• Uncoated finish suitable for use in low-corrosion and controlled environments

Compatibility

Designed as an OEM-style replacement or new-installation standoff for circuit board mounting applications requiring a No. 6 screw, female unthreaded round spacer in inch-measurement systems.

Installation Notes

Installation is performed by qualified electronics or controls technicians. De-energize all control circuits and discharge any capacitors before handling circuit boards or installing spacers. Use a calibrated torque driver appropriate for No. 6 fasteners to avoid stripping the mating screw or cracking the board. Verify board clearance requirements before selecting spacer quantity or stacking configurations.